Metric SWB Plain Bearings

Part Number: WMSW 20 23 30

Details

Inner Diameter20
Outer Diameter23
Length30
Surface StyleSmooth

Material Specification

Structure Steel backing strip with a sintered bronze layer
PV (N/mm² x m/s) 2.8 max
Static load (N/mm²) 150 max
Sliding speed – With Oil (m/s) 10 max
Sliding speed – With Grease (m/s) 2.5 max
Operating temperature (°C) 250 max
(dependant on lubrication)
Coefficient of friction – With Oil 0.5 to 0.12
Coefficient of friction – With Grease 0.5 to 0.15
Sintered layer hardness (HB) 60-100

Tolerances & Fittings (Metric)

Min Max Tolerance
Inside Diameter When Fitted2020.033
Recommended Housing Size2323.021
Overall Length29.7530.25
Shaft Diameter19.95919.98
Wall Thickness1.5071.559

PV Calculation

Values Maximum
Speed
rpm
9549.297 rpm
Load
kg
9174.312 kg
PV Factor
N/A
N/mm² x m/s
2.8 N/mm² x m/s

⚠ Maximum PV Factor is 2.8! Reduce speed or load.

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